Location History:
- Kanagawa, JP (1999 - 2008)
- Kanagawa-ken, JP (2008)
- Kawasaki, JP (2006 - 2016)
Company Filing History:
Years Active: 1999-2016
Title: The Innovations of Toshiki Okui
Introduction
Toshiki Okui is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of photoresist compositions, holding a total of 13 patents. His work focuses on developing advanced materials that enhance the manufacturing processes in various industries.
Latest Patents
One of his latest inventions is a positive-working photoresist composition for thick film formation. This innovative composition provides a chemical-amplification positive-working photoresist suitable for forming a resist film of relatively large thickness on a substrate. The composition includes a photoacid-generating agent, an alkali-insoluble resin, an alkali-soluble resin, and an organic solvent. Another notable patent is a chemically amplified positive photoresist composition for thick film, which is used to create a thick-film photoresist layer with a film thickness ranging from 10 to 150 micrometers. This composition also comprises a compound that generates acid upon irradiation, along with specific resins that enhance alkali solubility.
Career Highlights
Toshiki Okui has worked with notable companies such as Tokyo Ohka Kogyo Co., Ltd. His experience in these organizations has allowed him to refine his expertise in the development of photoresist materials and their applications in various manufacturing processes.
Collaborations
Throughout his career, Toshiki has collaborated with esteemed colleagues, including Koji Saito and Hiroshi Komano. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Toshiki Okui's contributions to the field of photoresist compositions have significantly impacted manufacturing processes. His innovative patents and collaborations highlight his dedication to advancing technology in this area.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.